1. A path, method, or course of action that has not yet been investigated, developed, or pursued
We need to explore every unexplored avenue to solve this problem.
Precisamos explorar toda via não explorada para resolver este problema.
2. A literal road, route, or passage that remains unexamined or untraversed
The explorers discovered several unexplored avenues in the cave system.
Os exploradores descobriram várias vias não exploradas no sistema de cavernas.